CN103014293A - Straight round pipe positioning device and straight round pipe induction quenching equipment - Google Patents
Straight round pipe positioning device and straight round pipe induction quenching equipment Download PDFInfo
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- CN103014293A CN103014293A CN2012105590612A CN201210559061A CN103014293A CN 103014293 A CN103014293 A CN 103014293A CN 2012105590612 A CN2012105590612 A CN 2012105590612A CN 201210559061 A CN201210559061 A CN 201210559061A CN 103014293 A CN103014293 A CN 103014293A
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- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
Straight pipe fitting positioner, including the positioner body that is equipped with first positioning mechanism, second positioning mechanism and third positioning mechanism, the respective setting element of first positioning mechanism, second positioning mechanism and third positioning mechanism distributes along the same circumferencial direction of arranging the circumference, and can follow this and arrange the radial inner peripheral surface or the outer peripheral face contact with straight pipe fitting (7) simultaneously of circumference, and each setting element can slide and/or roll when straight pipe fitting and straight pipe fitting positioner relative motion. In addition, the invention also provides the induction quenching equipment for the straight round pipe fitting, which is provided with the positioning device for the straight round pipe fitting. The positioning device for the straight round pipe fitting can optimally enable the circumferential clearance between the pipe wall of the straight round pipe fitting and the quenching inductor to be uniform and equidistant as much as possible, so that the induced magnetic field intensity in the pipe wall can be uniformly distributed along the circumferential direction, a formed quenching layer is uniform relatively and effectively, and the quenching quality is remarkably improved.
Description
Technical field
The present invention relates to a kind of straight pipe spare auxiliary processing device, particularly, relate to a kind of straight pipe spare locating device.In addition, the invention still further relates to a kind of straight pipe spare induction hardening equipment that described straight pipe spare locating device is installed.
Background technology
The straight various fields of pipe spare widespread use, according to using needs, under numerous situations, require straight pipe spare to have good wear resistance and certain toughness, such as for delivery of concrete concrete delivery pipe, for delivery of transfer lime of dust etc., so these straight pipe spares need to carry out certain thermal treatment.
For example, at present because the popularizing of the mechanized constructions such as urban construction, road and bridge, the towed concrete pump and the truckmounted concrete pump that are used for concrete conveyance become the important concrete conveying equipment of mechanized construction already.An important building block is concrete delivery pipe in the concrete conveying equipment.Concrete delivery pipe inwall when work directly contacts with concrete, and body need to bear concrete bump or the impact of carrying at a high speed, thereby requirement has higher inwall wear resistance and certain body toughness, in actual the use, concrete delivery pipe belongs to the consumable accessory of concrete conveying equipment, consumption is more, and can't to obtain Reliable guarantee closely related with the processing quality of concrete delivery pipe to a certain extent for this.Now concrete delivery pipe mainly is divided into two kinds, i.e. individual layer concrete delivery pipe and double layer concrete transport pipe, and these two kinds of concrete delivery pipes all need to make it have good wear resistance and toughness concurrently by the thermal treatment means.No matter be mono-layer tube or double wall tube, mainly there are two kinds in involved thermal treatment means, be that whole heat hot is processed and induction heating thermal treatment, wherein, whole heat hot is processed easily so that straight pipe spare bulk material properties changes, be unfavorable for taking into account of straight pipe spare wear resistance and toughness, thus induction heating thermal treatment above-mentioned and concrete delivery pipe have identical or straight pipe spare processing that similar performance requires in very generally adopt.
In the induction heating thermal treatment of straight pipe spare, induction quenching mainly is to utilize induced current to pass through the heat that material or workpiece produce, and so that material or workpiece surface and local heating, and the quenching method that cools off fast, it can be so that concrete delivery pipe has preferably inwall quench-hardened case and without heat treated outer layer segment with better toughness of wear resistance, thereby can be so that concrete delivery pipe has good wear resistance and toughness concurrently.But, this only is theoretic, in the actual course of processing since fabrication process condition can not be guaranteed reliably, the straight pipe spare that is processed to form can not obtain good wear resistance and toughness, this also is above-mentioned concrete delivery pipe extremely flimsy major reason in operation process for example.
Known ground, based on principles such as the Distribution of Magnetic Field of induction heating and skin effects, determined that the gap between ruhmkorff coil and tube wall is very crucial, the gap homogenizing is an important factor of quench-hardened case homogenizing behind the pipe fitting induction quenching, and the homogenizing of quench-hardened case directly has influence on quality and the work-ing life of pipe fitting.
Particularly, Fig. 1 shows the structural representation of a kind of typical straight pipe spare induction hardening equipment (being straight pipe spare induction hardening machine) in the prior art, has wherein shown and has carried out the induction hardened job state of straight pipe spare.Referring to shown in Figure 1, when straight pipe spare is carried out induction quenching, the output terminal of rotary drive mechanism 3 is by connecting for example movable dog of bracing or strutting arrangement 4() connect and support an end of straight pipe spare 7, thereby rotary drive mechanism 3 can pass to straight pipe spare to drive straight pipe spare 7 rotations with moment of torsion via connecting bracing or strutting arrangement 4, the other end of straight pipe spare 7 is supported on the supporting mechanism 10a, rotary drive mechanism 3, connect bracing or strutting arrangement 4, straight pipe spare 7 and supporting mechanism 10a relative position are fixed, wherein rotary drive mechanism 3 and supporting mechanism 10a are installed in that (general rotary drive mechanism and supporting mechanism 10a can be fixed on the worktable on the machine tool guideway 8 of straight pipe spare induction hardening equipment, and then this worktable is installed on the machine tool guideway 8 slidably), and can be by axially the moving back and forth at machine tool guideway 8 along described straight pipe spare 7 by the drive of motor-driven spindle gear.In addition, known ground, described straight pipe spare induction hardening equipment also comprises induction heating power 1, cable 2(typically is concentric cable), inductor block coupling device 5 and quenching inducer 6, induction heating power 1 is electrically connected on cable 2, this cable 2 passes the output terminal of this rotary drive mechanism 3 along the travel direction of above-mentioned rotary drive mechanism 3 on machine tool guideway 8, and be connected in quenching inducer 6 by inductor block coupling device 5, it should be noted that at this, induction heating power 1, cable 2, the position of inductor block coupling device 5 and quenching inducer 6 is fixed, that is to say, in the quenching operation process, induction heating power 1, cable 2, inductor block coupling device 5 and quenching inducer 6 are for the rotary drive mechanism 3 and supporting mechanism 10a that can move along machine tool guideway 8, and its position is fixed.When the straight pipe spare of processing 7, so that quenching inducer 6 is inserted into straight pipe spare 7 inside from an end of straight pipe spare 7, and so that an end of straight pipe spare 7 is connected to the output terminal of rotary drive mechanism 3 by connecting bracing or strutting arrangement 4, the other end supports on the supporting mechanism 10a, as shown in Figure 1, that is to say, in the quenching operation process, the part of cable 2, inductor block coupling device 5 and quenching inducer 6 are positioned at the inside of straight pipe spare 7, it is coaxial with straight pipe spare 7 that quenching inducer 6 needs to keep, but do not contact with the inwall of straight pipe spare 7.In addition, as can see from Figure 1, an end of cable 2 is connected in induction heating power 1, and the other end need to extend through the internal space of rotary drive mechanism 3, straight pipe spare 7 and be connected on the inductor block coupling device 5.That is to say, cable 2 need to have certain rigidity, to prevent that cable 2 deflection occurs and affects the quenching operation in the quenching operation process, and cable 2 needs the transmission alternating-current in the induction quenching, therefore typically, cable 2 general rigidity or the semi-rigid coaxial cables of adopting, cable 2 can increase supporting rod or support tubes in case of necessity.
When quenching operation, the straight pipe spare 7 existing motions that rotate in a circumferential direction move axially again, and the motion that rotates in a circumferential direction can improve the quench-hardened case homogeneity of straight pipe spare 7 inwalls, and moving axially is so that the inwall of whole straight pipe spare 7 all hardens.Quenching inducer 6 passes to the alternating-current of certain frequency during work, produce magnetic line of force by electromagnetic induction, the sidewall cutting magnetic line of straight pipe spare 7 produces electromagnetic induction, thereby form and based on skin effect, induced current is tending towards concentrating on the internal skin of straight pipe spare 7 and forms eddy current, thereby producing heat by straight pipe spare 7 resistance own heats, and further by the cooling fluid of quenching inducer 6 ejection quench (recycle system pipeline of cooling fluid is same as the prior art, and this is not given unnecessary details).
But, as can be seen from Figure 1, in the quenching operation process of the straight pipe spare induction hardening equipment of this prior art, straight pipe spare 7 in fact only is two end supports, namely by connecting bracing or strutting arrangement 4 and supporting mechanism 10a straight pipe spare 7 is supported, wherein connect bracing or strutting arrangement 4 and generally can adopt movable dog, supporting mechanism 10a is mainly roller supporting mechanism.The harm that this supporting form brings is to quench, and straight pipe spare can deform inevitably in the operation process, thereby in the quenching operation process, can't guarantee the even interval of quenching inducer 6 and straight pipe spare 7 inwalls at all, this quenched case (being also referred to as " quench-hardened case ") that causes straight pipe spare 7 inwalls to form is serious uneven, grievous injury the processing quality of straight pipe spare 7.
Particularly, Fig. 2 shows the pipe fitting theoretical profile 7 ' of straight pipe spare 7 on induction hardening equipment shown in Figure 1 and pipe fitting real profile 7 " the deformation analysis schematic diagram.Referring to shown in Figure 2, therefrom can find out pipe fitting real profile 7 " be not to be straight pipe fitting theoretical profile 7 ', what straight pipe spare 7 adopted at induction hardening equipment is 2 supports, namely connects bracing or strutting arrangement 4 and 2 supports of supporting mechanism 10a.Pipe fitting real profile 7 " the origin cause of formation be since in the deadweight of pipe fitting and the course of hot rolling problem such as form and position tolerance cause.Quenching inducer 6 is transfixion in quenching process, pipe fitting theoretical profile 7 ' in rotary course with the theoretical gap of quenching inducer 6 for radially about 2mm, but because pipe fitting real profile 7 " existence, straight pipe spare 7 is inhomogeneous and continuous variations with the circular gap of quenching inducer 6 in quenching process.Cause tube wall induced currents skewness based on above-mentioned phenomenon, thereby it is even and cause thus quenched case inhomogeneous to cause pipe fitting to be heated inhomogeneity of wall thickness, badly influences the processing quality of straight pipe spare.This defective that exists in the straight pipe spare induction quenching course of processing can't effectively solve for a long time always, and its of having consisted of this area relatively is difficult to the technical barrier that solves.This technical barrier is not that the 3rd supporting mechanism formation supported at three point can solve by for example increasing simply, particularly, because quenching inducer 6 is fixed the position in the induction quenching process, and straight pipe spare 7 moves axially with respect to quenching inducer 6 and circumferentially rotation, first, because 2 supporting forms, straight pipe spare 7 can be because deadweight and the different concave deformation of formation degree, and this concave deformation can cause the inhomogeneous of straight pipe spare 7 inwalls and quenching inducer 6 intervals during partly through quenching inducer 6; Second, can there be form and position tolerance (for example linearity) to a certain degree in straight pipe spare 7 (for example hot gadolinium) in shaping process, although this form and position tolerance is less, but can not ignore for induction hardening process, although straight pipe spare still is circular on each cross section, but because there is this form and position tolerance in it, when the various piece of straight pipe spare 7 is passed through quenching inducer 6, will inevitably cause the inhomogeneous of straight pipe spare 7 inwalls and quenching inducer 6 intervals, this is insurmountable by increasing supporting mechanism simply owing to complete processing is formed such as form and position tolerances such as linearitys; The 3rd, to a certain extent microdeformation also can occur in straight pipe spare 7 in induction hardened heat-processed, and such as thermal expansion etc., this obviously also can have influence on straight pipe spare 7 inwalls and quenching inducer 6 circumferentially spaced homogeneities.The quenched case that these factors directly cause straight pipe spare 7 inwalls to form is seriously uneven, and wear resistance and toughness are not mated, grievous injury the processing quality of straight pipe spare 7 so that straight pipe spare 7 is in use easily scrapped, increased cost.
In addition, some and the similar induction hardening equipment of straight pipe spare induction hardening equipment shown in Figure 1 or corresponding straight pipe spare supporting mechanism are also disclosed in the prior art, for example Chinese invention patent CN100335662C and CN1190617C disclose respectively a kind of concrete conveying pipe production process and a kind of cylindric pipe fitting and production method and specific equipment with internal hardened layer, but these prior aries are because the technical problem of paying close attention to is different, and it also can't solve above-mentioned technological deficiency at all.
In view of this, need to provide a kind of straight pipe spare induction quenching supplementary unit, to overcome or relative efficiency ground alleviates above-mentioned technological deficiency.
Summary of the invention
The present invention's technical problem at first to be solved provides a kind of straight pipe spare locating device, this straight pipe spare locating device can be used in circumferentially locates straight pipe spare, with when existing along the axial relative movement of described straight pipe spare between straight pipe spare and this straight pipe spare locating device, can degree of optimization ground this straight pipe spare locating device of maintenance and the right alignment between the pipe spare corresponding part directly.
Further, technical problem to be solved by this invention provides a kind of straight pipe spare induction hardening equipment, this straight pipe spare induction hardening equipment can position straight pipe spare in the induction quenching operation process, keeps the homogeneity of circular gap between straight pipe spare and the quenching inducer with relative efficiency ground.
In order to solve the problems of the technologies described above, the invention provides a kind of straight pipe spare locating device, wherein, comprise and be provided with the first locating mechanism, the locating device body of the second locating mechanism and the 3rd locating mechanism, described the first locating mechanism, the second locating mechanism and the 3rd locating mechanism positioning element separately distribute along the ring Zhou Fangxiang of same layout circumference, and can arrange radially contacting with inner peripheral surface or the periphery of straight pipe spare simultaneously of circumference along this, each described positioning element can slide and/or roll at inner peripheral surface or the periphery of this straight pipe spare when described straight pipe spare and described straight pipe spare locating device relative movement.
Preferably, the contact part of each described positioning element and described straight pipe spare is point of contact or osculatory, and each point of contact or osculatory are on the same cross section of described straight pipe spare.
Specifically selectively, described straight pipe spare locating device is all locating devices in the pipe fitting, thereby described locating device body is interior all locating device bodies, described the first locating mechanism, the second locating mechanism and the 3rd locating mechanism are respectively first interior all locating mechanisms, second interior all locating mechanisms and the 3rd interior all locating mechanisms, and this first interior all locating mechanism, second interior all locating mechanisms and the 3rd interior all locating mechanisms described positioning element separately can contact with the inner peripheral surface of described straight pipe spare simultaneously.
Preferably, the positioning element of described first interior all locating mechanisms be can elastic telescopic positioning element, thereby described first interior all locating mechanisms form all locating mechanisms in the elasticity; The positioning element of described second interior all locating mechanisms is the rigidity positioning element, thereby this second interior all locating mechanism forms all locating mechanisms in the rigidity; And the described the 3rd interior all mechanisms are all locating mechanisms or the interior all locating mechanisms of rigidity in the described elasticity.
Preferably, described second interior all locating mechanisms are arranged as the below that is in described first interior all locating mechanisms, and so that the positioning element of this second interior all locating mechanism is in vertical position.
Particularly, described interior all locating device bodies comprise cylindrical locating mechanism installation portion, the periphery of this locating mechanism installation portion is along at least one section axial described layout circumference of formation of this locating mechanism installation portion, and described first interior all locating mechanisms, second interior all locating mechanisms and the 3rd interior all locating mechanisms are respectively installed on this locating mechanism installation portion along the circumferential direction of described locating mechanism installation portion.
Typically, all locating mechanisms comprise the elastic mechanism supporting base in each described elasticity, be rotatably mounted with the elastic mechanism roller as corresponding described positioning element on this elastic mechanism supporting base, be formed with the elastic mechanism mounting groove on the periphery of described locating mechanism installation portion, described elastic mechanism supporting base is coupled in the described elastic mechanism mounting groove slidably, so that the supporting surface of this elastic mechanism supporting base is relative with the loading end of described elastic mechanism mounting groove, and described elastic mechanism roller protrudes from the periphery of described locating mechanism installation portion, is supported with elastic component between the loading end of the supporting surface of described elastic mechanism supporting base and described elastic mechanism mounting groove.
Preferably, protrude the tail rod section that is formed with on the supporting surface of described elastic mechanism supporting base, be formed with pilot hole on the loading end of described elastic mechanism mounting groove, described tail rod section is slidingly matched in the described pilot hole, and described elastic component wears in the described tail rod section between the loading end with the supporting surface that is bearing in described elastic mechanism supporting base and described elastic mechanism mounting groove; The sidepiece of described elastic mechanism supporting base is formed with the limiting stand terrace, the sidepiece of described elastic mechanism mounting groove is formed with and cooperates the limiting stand terrace, described limiting stand terrace and space relative with described cooperation limiting stand terrace, described elastic mechanism supporting base compresses described elastic component and when moving to the predetermined position in described elastic mechanism mounting groove, this limiting stand terrace can be in contact with one another with the described limiting stand terrace that cooperates.
Typically, each described rigidity locating mechanism comprises rigid mechanism supporting base and the rigid mechanism roller that is pivotally mounted on this rigid mechanism supporting base, be formed with corresponding rigid mechanism mounting groove on the periphery of described locating mechanism installation portion, described rigid mechanism supporting base is fixed in the described rigid mechanism mounting groove, and so that described rigid mechanism roller protrude from the periphery of described locating mechanism installation portion.
Preferably, described interior all locating device bodies also comprise the inductor block installation portion coaxial with described locating mechanism installation portion, the external diameter of described inductor block installation portion is less than the external diameter of described locating mechanism installation portion, thereby described interior all device bodies form the step shaft shape, and the quenching inducer coaxial with this inductor block installation portion is installed on the periphery of described inductor block installation portion; And an end of described inductor block installation portion is connected with the inductor block coupling device for installing cables.
Preferably, described inductor block installation portion upper sleeve through has insulating sleeve and the electromagnetic shielding sheet between this insulating sleeve and described locating mechanism installation portion, and described quenching inducer is installed on the periphery of described insulating sleeve.
Another kind of basic form as the straight pipe spare locating device of another kind, described straight pipe spare locating device forms pipe fitting periphery locating device, thereby described locating device body is periphery locating device body, described the first locating mechanism, the second locating mechanism and the 3rd locating mechanism are respectively the first periphery locating mechanism, the second periphery locating mechanism and the 3rd periphery locating mechanism, and this first periphery locating mechanism, the second periphery locating mechanism and the 3rd periphery locating mechanism described positioning element separately can contact with the periphery of described straight pipe spare simultaneously.
On the technical scheme basis of above-mentioned straight pipe spare locating device, the invention provides a kind of straight pipe spare induction hardening equipment, comprise quenching inducer, wherein, this straight pipe spare induction hardening equipment comprises that also above-mentioned straight pipe spare locating device and/or above-mentioned each that each forms all locating devices in the pipe fitting form the straight pipe spare locating device of pipe fitting periphery locating device, each described pipe spare locating device is installed as with respect to described quenching inducer position to be fixed, and along axial direction due and this quenching inducer adjacency or adjacent of this quenching inducer, this quenching inducer is coaxial with each described straight pipe spare locating device described layout circumference separately separately.
Preferably, described quenching inducer is connected on the described straight pipe spare locating device along the axial direction due of this quenching inducer.
As a kind of specific equipment that is used for straight pipe spare inwall quenching, the present invention also provides a kind of straight pipe spare induction hardening equipment, comprise induction power supply, quenching inducer, cable, the pipe fitting bracing or strutting arrangement that is used for driving the rotary drive mechanism of straight pipe spare rotation and is used for supporting described straight pipe spare one end, the output terminal of described rotary drive mechanism is provided with the connection bracing or strutting arrangement that supports the described straight pipe spare the other end for connecting, described rotary drive mechanism and pipe fitting bracing or strutting arrangement the relative position of each other are fixed, one end of described cable is connected in described induction power supply, the other end passes the output terminal of described rotary drive mechanism and is connected on the described quenching inducer along the axial direction due of described quenching inducer, wherein, described straight pipe spare induction hardening equipment comprises that also above-mentioned straight pipe spare locating device and/or above-mentioned each that each forms all locating devices in the pipe fitting form the straight pipe spare locating device of pipe fitting periphery locating device, each described straight pipe spare locating device is installed as with respect to described quenching inducer position to be fixed, and along axial direction due and this quenching inducer adjacency or adjacent of this quenching inducer, this quenching inducer is coaxial with the described layout circumference of each described straight pipe spare locating device.
More specifically, described rotary drive mechanism and pipe fitting bracing or strutting arrangement can be on the machine tool guideway of described straight pipe spare induction hardening equipment along the axial direction due synchronizing moving of described quenching inducer.
Specifically selectively, the straight pipe spare locating device in the described straight pipe spare induction hardening equipment is all locating devices in the described pipe fitting, and described quenching inducer is connected on the interior all locating devices of this pipe fitting.
Preferably, interior all locating device bodies of all locating devices also comprise the inductor block installation portion coaxial with described locating mechanism installation portion in the described pipe fitting, the external diameter of described inductor block installation portion is less than the external diameter of described locating mechanism installation portion, thereby described interior all device bodies form the step shaft shape, described quenching inducer is installed on the periphery of described inductor block installation portion and is coaxial with this inductor block installation portion, and an end of described inductor block installation portion is connected be used to the inductor block coupling device that described cable is installed; Described inductor block installation portion upper sleeve through has insulating sleeve and the electromagnetic shielding sheet between this insulating sleeve and described locating mechanism installation portion, and described quenching inducer is installed on the periphery of described insulating sleeve.
Further selectively, described straight pipe spare induction hardening equipment also comprises described pipe fitting periphery locating device, and all locating devices are in same position along the axial direction due of described quenching inducer in this pipe fitting periphery locating device and the described pipe fitting.
Preferably, described connection bracing or strutting arrangement is the coupling device that can allow described straight pipe spare beat, and the pipe fitting support portion of described pipe fitting bracing or strutting arrangement is resiliency supported section.
Pass through technique scheme, straight pipe spare locating device of the present invention is by the first to the 3rd locating mechanism on it, principle that can be by three-point circle partly positions the local pipeline section of straight pipe spare, and when there is relative axial motion in this straight pipe spare locating device with respect to straight pipe spare, can be dynamically straight pipe spare be partly carried out continuously the dynamic positioning action of proofreading and correct through the pipeline section of this locating device, especially be applied under the situation of induction hardening equipment at it, its can degree of optimization ground with respect to prior art so that the circular gap of the tube wall of straight pipe spare and quenching inducer as far as possible evenly not equidistantly, alleviate line voltage, the fluctuation of induction power supply voltage etc., thereby can be so that circumferentially evenly distribution of the inducedmagnetic field intensity edge in the tube wall, and then so that tube wall induced currents uniform parts, thereby relative efficiency ground improves the quenching quality significantly so that the formation quenched case is even.
Other features and advantages of the present invention will partly be described in detail in embodiment subsequently.
Description of drawings
Following accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of specification sheets, and itself and following embodiment one are used from explanation the present invention, but protection scope of the present invention is not limited to following the drawings and the specific embodiments.In the accompanying drawings:
Fig. 1 is the structural representation of the straight pipe spare induction hardening equipment of prior art, shows that wherein this straight pipe spare induction hardening equipment carries out induction quenching to straight pipe spare.
Fig. 2 is the deformation analysis schematic diagram of the straight pipe spare of clamping on described straight pipe spare induction hardening equipment shown in Figure 1.
Fig. 3 is the structural representation of the straight pipe spare induction hardening equipment of the specific embodiment of the invention.
Fig. 4 is the schematic side view of the straight pipe spare locating device of a kind of embodiment of the present invention, and the straight pipe spare locating device shown in it is specially all locating devices in the pipe fitting.
Fig. 5 is that the master of the straight pipe spare locating device of embodiment shown in Figure 4 looks schematic diagram.
Fig. 6 is the cross-sectional schematic of dissecing along the A-A line among Fig. 4, has wherein shown on this straight pipe spare locating device quenching inducer is installed, and this quenching inducer has only carried out schematic simplification and shown.
The partial enlarged drawing of second interior all locating mechanisms position shown among Fig. 7 Fig. 6 has wherein shown a kind of concrete details structure of second interior all locating mechanisms.
Fig. 8 is the schematic side view of the straight pipe spare locating device of the another kind of embodiment of the present invention, and the straight pipe spare locating device shown in it is specially pipe fitting periphery locating device.
Fig. 9 is that the master of straight pipe spare locating device shown in Figure 8 looks schematic diagram.
Description of reference numerals of the present invention:
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, should be understood that, embodiment described herein only is used for description and interpretation the present invention, and protection scope of the present invention is not limited to following embodiment.
In description above, mainly as an example of the induction quenching of concrete delivery pipe example the problem that prior art exists has been described, but for those skilled in the art apparently, the following straight pipe spare locating device of the present invention is not limited to the induction quenching that is applied to concrete delivery pipe and processes or other complete processing, but goes for the location of the straight pipe spare of other type used.It is straight on the whole that the implication of relevant " straight pipe spare " represents pipe spare, but be not definitely straight, and it only is for bend pipe.In addition, straight pipe spare locating device of the present invention uses when also being not limited to straight pipe spare inwall being carried out induction quenching, can be suitable for equally when straight pipe spare outer wall is quenched.That is to say no matter straight pipe spare is carried out any type of processing treatment, as long as adopt the straight pipe spare locating device of the following form of the present invention, it all belongs to protection scope of the present invention.
The below at first describes the basic embodiment of straight pipe spare locating device of the present invention and preferred implementation more specifically, the embodiment of present invention will be further described on this basis straight pipe spare induction hardening equipment.In addition, technical conceive of the present invention is not limited to some parts or the detail shown in Fig. 3 to Fig. 9, therefore will look subsidiary some the relevant obvious variations of describing of feelings in following description process.
Extremely shown in Figure 9 referring to Fig. 4, the straight pipe spare locating device of basic embodiment of the present invention comprises the locating device body, this locating device body is provided with the first locating mechanism, the second locating mechanism and the 3rd locating mechanism, described the first locating mechanism, the second locating mechanism and the 3rd locating mechanism positioning element separately distribute and can arrange radially contact with inner peripheral surface or the periphery of straight pipe spare 7 simultaneously of circumference along this along the ring Zhou Fangxiang of same layout circumference, and each described positioning element can at the inner peripheral surface of this straight pipe spare or periphery slides and/or rolling during with described straight pipe spare locating device relative movement at described straight pipe spare.
It should be noted that at this, in the practical situation, each positioning element is in the structural part with certain volume, each positioning element may be a contact surface with the contact part of straight pipe spare inner peripheral surface or periphery, also may be point of contact or osculatory, but as long as contact part is on the same circumference, this same circumference in theory with above-mentioned layout circumference concentric (or coaxial), but can there be certain deviation in the practical situation, in addition, above-mentioned each positioning element is along the circumferential arrangement of same layout circumference, refer to that mainly each positioning element is on the plane that this layout circumference limits, but because each positioning element is the structural part with certain volume, the plane that above-mentioned layout circumference limits is not limited to theoretic plane form, and this plane should be interpreted as to have the thickness that adapts with positioning element, this should be understandable for those skilled in the art.Preferably, the contact part of each described positioning element and described straight pipe spare can be point of contact or osculatory, correspondingly, this moment, each point of contact or osculatory were on the same cross section of described straight pipe spare 7, in this case, the formed three-point circle of the contact part of three positioning elements is the most accurate.
When on straight pipe spare induction hardening equipment, straight pipe spare 7 being carried out induction quenching, by the above-mentioned straight pipe spare locating device that is fixed on the induction hardening equipment straight pipe spare 7 is positioned, the two ends of straight pipe spare 7 can be supported as prior art, when straight pipe spare 7 moves axially, arbitrary section of straight pipe spare 7 by or during through straight pipe spare locating device, because the positioning element on the first to the 3rd locating mechanism of straight pipe spare 7 forms the structure of three-point circle, no matter directly there are any distortion or form and position tolerance on the pipe spare 7, move axially and so that the different piece on this straight pipe spare 7 when passing through successively straight pipe spare locating device at straight pipe spare 7, it all can be proofreaied and correct by straight pipe spare locating device, so that the center of circle of the corresponding section of straight pipe spare 7 overlaps with the determined center of circle of positioning element of straight pipe spare locating device, concentric by quenching inducer being arranged as with straight pipe spare locating device of the present invention in this case, namely can guarantee quenching inducer and the straight relative uniformity of pipe spare 7 circular gaps, thereby improve the quenching quality.It should be noted that at this, owing to straight pipe spare locating device of the present invention corrective action to straight pipe spare 7 in straight pipe spare 7 moving process, can there be the phenomenon of slight " tilting " or " beat " in straight pipe spare 7 in the quenching operation process, beat or the tilting phenomenon of slight extent may can occur in the end that for example straight pipe spare 7 is supported in pipe fitting bracing or strutting arrangement 12 in Fig. 3 in operation process, all the more so when especially having larger shape position error in straight pipe spare 7 forming processes.
In the technical conceive scope of above-mentioned straight pipe spare locating device, straight pipe spare locating device of the present invention mainly is divided into two kinds of basic forms, i.e. all locating devices 10 and pipe fitting periphery locating device 11 in the pipe fitting below are described respectively.
Extremely shown in Figure 7 referring to Fig. 4, above-mentioned straight pipe spare locating device can be all locating devices 10 in the pipe fitting, correspondingly, described locating device body is interior all locating device bodies 16, above-mentioned the first locating mechanism, the second locating mechanism and the 3rd locating mechanism are respectively first interior all locating mechanisms 13, second interior all locating mechanisms 14 and the 3rd interior all locating mechanisms 15, and this first interior all locating mechanism 13, second interior all locating mechanisms 14 and the 3rd interior all locating mechanisms 15 described positioning element separately can contact with the inner peripheral surface of described straight pipe spare 7 simultaneously.
In above-mentioned pipe fitting on the basis of the embodiment of all locating devices 10, preferably, the positioning element of described at least first interior all locating mechanisms 13 be can elastic telescopic positioning element, thereby described first interior all locating mechanisms 13 form all locating mechanisms in the elasticity.It should be noted that at this, the elastic telescopic scope of the positioning element of the first locating mechanism is unsuitable excessive, in order to avoid affect the tolerance range of the three-point circle heart, the existence of this elastic locating mechanism, can be so that straight pipe spare 7 during with respect to straight pipe spare locating device motion, the positioning element of straight pipe spare locating device has certain Flexible change amount, avoid being the motion that rigidity has influence on straight pipe spare 7 owing to the point of contact of three positioning elements, thereby so that the motion of straight pipe spare 7 is more steady.In addition, the first locating mechanism is being also advantageous in that of elastic locating mechanism, since in the straight pipe spare forming process because mismachining tolerance, there are certain deviation sometimes in its external diameter or internal diameter, the existence of this elastic locating mechanism, can keep good contact with inner-wall surface or the outside wall surface of straight pipe spare 7 so that three positioning elements on the straight pipe spare locating device can adapt to this deviation, and form suitable pressure, this can be so that proofread and correct certralizing ability and more effectively realize.Need to prove at this; as a kind of form of implementation; first interior all locating mechanisms 13, second interior all locating mechanisms 14 and the 3rd interior all locating mechanisms 15 all can form all locating mechanisms in the elasticity, and this belongs to technical conceive of the present invention equally, therefore also belong to protection scope of the present invention.
On the basis of the preferred implementation of all locating devices 10, as a kind of canonical form, the positioning element of described second interior all locating mechanisms 14 is the rigidity positioning element in above-mentioned pipe fitting, thereby this second interior all locating mechanism forms all locating mechanisms in the rigidity.In addition, the 3rd interior all locating mechanisms 15 can be all locating mechanisms in all locating mechanisms or the rigidity in the described elasticity.The advantage of this preferred form is, first of all locating devices 10 interior all locating mechanisms 13 have been under the situation of elastic locating mechanism in described pipe fitting, by so that second interior all locating mechanisms 14 and/or the 3rd interior all locating mechanisms 15 are the rigidity locating mechanism, straight pipe spare 7 is being positioned in the process, can be so that the rigidity locating mechanism be in lower position for other locating mechanism, be under the situation of all locating mechanisms in the rigidity at second interior all locating mechanisms 14 only, the positioning element of this second interior all locating mechanism 14 can be arranged as vertically, the positioning element of this rigidity locating mechanism can form certain supporting role when the inner-wall surface with straight pipe spare 7 contacts, it can bear the weight of interior all pipe fitting positioning devices 10 itself effectively, so that interior all pipe fitting positioning devices 10 are more stable, this is equipped with quenching inducer 6 at interior all pipe fitting positioning devices 10 is all the more so.Therefore, form under the situation of all locating mechanisms in the rigidity at second interior all locating mechanisms 14, described second interior all locating mechanisms 14 can be arranged as the below that is in first interior all locating mechanisms 13, and so that the positioning element of this second interior all locating mechanism 14 is in vertical position.
Typically, referring to shown in Figure 6, should comprise cylindrical locating mechanism installation portion 45 by interior all locating device bodies 16, the periphery of this locating mechanism installation portion 45 is along at least one section axial described layout circumference of formation of this locating mechanism installation portion 45, and described first interior all locating mechanisms 13, second interior all locating mechanisms 14 and the 3rd interior all locating mechanisms 15 are respectively installed on this locating mechanism installation portion 45 along the circumferential direction of described locating mechanism installation portion.
For example, form in the elasticity with regard to all locating mechanisms with regard to above-mentioned first interior all locating mechanisms 13, typically, referring to Fig. 6 and shown in Figure 7, all locating mechanisms comprise elastic mechanism supporting base 27 in each elasticity, be rotatably mounted with the elastic mechanism roller 23 as corresponding described positioning element on this elastic mechanism supporting base 27, be formed with the elastic mechanism mounting groove on the periphery of the locating mechanism installation portion 45 of described interior all locating device bodies 16, described elastic mechanism supporting base 27 is coupled in the described elastic mechanism mounting groove slidably, so that the supporting surface 42 of this elastic mechanism supporting base 27 is relative with the loading end 41 of described elastic mechanism mounting groove, and described elastic mechanism roller 23 protrudes from the periphery of described locating mechanism installation portion 45, is supported with elastic component 28 between the supporting surface 42 of described elastic mechanism supporting base 27 and the loading end 41 of described elastic mechanism mounting groove.
More preferably, referring to shown in Figure 7, protrude the tail rod section 30 that is formed with on the supporting surface 42 of described elastic mechanism supporting base 27, be formed with pilot hole 29 on the loading end 41 of described elastic mechanism mounting groove, described tail rod section 30 is slidingly matched in the described pilot hole 29, and described elastic component 28 wears in the described tail rod section 30 between the loading end 41 with the supporting surface 42 that is bearing in described elastic mechanism supporting base 27 and described elastic mechanism mounting groove.In Fig. 7, described elastic component 28 is the dish spring, can certainly be the elastic components such as whisker.In addition, under the situation of first interior all locating mechanisms 13 as interior all elastic locating mechanisms, excessive in order to prevent as elastic mechanism roller 23 deformation range by elastic mechanism supporting base 27 compression elastic pieces 28 in operation process of positioning element, and have influence on the accuracy of location, preferably, referring to shown in Figure 7, the sidepiece of described elastic mechanism supporting base 27 is formed with limiting stand terrace 43, the sidepiece of described elastic mechanism mounting groove is formed with and cooperates limiting stand terrace 44, described limiting stand terrace 43 and described cooperation limiting stand terrace 44 relative and spaces, described elastic mechanism supporting base 27 described elastic components 28 of compression and when in the elastic mechanism mounting groove, moving to the predetermined position, described limiting stand terrace 43 is in contact with one another with the described limiting stand terrace 44 that cooperates, thereby stop elastic mechanism supporting base 27 to be moved further, play position-limiting action.
With regard to elastic mechanism roller 23, it should be noted that at this, elastic mechanism roller 23 herein only is that pair roller has carried out corresponding name for ease of differentiation, but and does not mean that structurally there are substantial difference in this elastic mechanism roller 23 and rigid mechanism roller 19 hereinafter described.In addition, the component form that can be used as positioning element is various, such as spherical salient on spin, the elastic mechanism supporting base 27 etc., as long as it can contact with the inner peripheral surface of straight pipe spare and can be in this inner peripheral surface relatively sliding or rolling and do not affect the motion of straight pipe spare.Particularly, referring to shown in Figure 7, with regard to the installation form of elastic mechanism roller 23, be formed with roller mounting slot (for example U-lag) on the other end relative with described supporting surface 41 of described elastic mechanism supporting base 27, the both sides sidewall upper support of this roller mounting slot is equipped with bolster 26, it can certainly be rolling bearing that sliding surface bearing 24(is installed on this bolster 26), described elastic mechanism roller 23 is installed on this sliding surface bearing 24.In addition, for anti-skidding bearing 24 is altered the position, the two ends of sliding surface bearing 24 also are respectively arranged with the end ring 25 that is installed on the described bolster 26.Certainly; the installation form of elastic mechanism roller 23 can be varied; for example; bolster 26 can be rotatably mounted to the both sides sidewall of roller mounting slot; be fixed to the elastic mechanism roller on this bolster 26 and get final product this moment; in operation process, elastic mechanism roller 23 can be followed bolster 26 and be rotated, and these simple variant forms all belong to protection scope of the present invention.All locating mechanisms in other, for example the 3rd interior all locating mechanisms 15 form under the situation of all mechanisms in the elasticity, and it can adopt above-mentioned identical or essentially identical structure, and this is repeated no more.
With regard to above-mentioned second interior all locating mechanism 14 formed rigidity locating mechanisms (as a kind of selection form, the 3rd interior all locating mechanisms 15 also can form the rigidity locating mechanism simultaneously), its structure formation can be diversified.Typically, referring to shown in Figure 6, be formed with the rigid mechanism mounting groove on the periphery of the locating mechanism installation portion 45 of described interior all locating device bodies 16, described rigidity locating mechanism comprises rigid mechanism supporting base 22 and the rigid mechanism roller 19 that is pivotally mounted on this rigid mechanism supporting base 22, described rigid mechanism supporting base 22 is fixed in the described rigid mechanism mounting groove, and so that described rigid mechanism roller 19 protrude from the periphery of locating mechanism installation portion 45 of interior all locating device bodies 16.Particularly, concrete installation form as the elastic mechanism roller 23 of all locating mechanisms in the above-mentioned elasticity, be formed with roller mounting slot (for example U-lag) on the end end face that is adjacent to described locating mechanism installation portion 45 peripherys of described rigid mechanism supporting base 22, the both sides sidewall upper support of this roller mounting slot is equipped with bolster 21, on this bolster 21 sliding surface bearing 20 is installed, described rigid mechanism roller 19 is installed on this sliding surface bearing 20.Certainly, in addition, it may occur to persons skilled in the art that the various ways of rigidity locating mechanism, for example, can be formed with the rigid mechanism mounting groove on locating mechanism installation portion 45 peripheries of interior all locating device bodies 16, the both sides sidewall of this rigid mechanism mounting groove can support bolster is installed, and by at this bolster sliding surface bearing or rolling bearing being installed, and at sliding surface bearing or rolling bearing the rigid mechanism roller being installed and being got final product.Can certainly in the rigid mechanism mounting groove, directly fix a positioning element with sphere section, and so that the sphere section of this positioning element protrudes from the periphery of locating mechanism installation portion gets final product, these simple variant forms all belong to protection scope of the present invention.
In addition, as mentioned above, the 3rd interior all locating mechanisms 15 can form all locating mechanisms or the interior all locating mechanisms of rigidity in the elasticity, and concrete structure formation can be with reference to the form of all locating mechanisms in all locating mechanisms or the rigidity in the above-mentioned elasticity.
Form under the situation of all locating devices 10 in the above-mentioned pipe fitting at straight pipe spare locating device of the present invention, because all locating devices 10 are used for positioning in interior week straight pipe spare 7 in this pipe fitting in the induction quenching operation process, and need to fix with respect to straight pipe spare 7 positions that move axially and circumferentially rotate, in this case, all locating devices 10 need to be fixed by corresponding installation support bar in the above-mentioned pipe fitting, and this installation support bar can extend into straight pipe spare 7 inside.But more preferably, all locating devices 10 can integrated quenching inducer 6 in the above-mentioned pipe fitting of the present invention, thereby can be generally rigidity or semi-rigid coaxial cable by means of cable 2() be fixed.Therefore, as a kind of preferred form, interior all locating device bodies 16 of the present invention also comprise the inductor block installation portion 46 coaxial with described locating mechanism installation portion 45, the external diameter of described inductor block installation portion 46 is less than the external diameter of described locating mechanism installation portion 45, thereby described interior all device bodies 16 form the step shaft shape, and the quenching inducer 6 coaxial with this inductor block installation portion 46 is installed on the periphery of described inductor block installation portion 46.In addition, an end of this inductor block installation portion 46 is connected with inductor block coupling device 5.Particularly, be formed with axial open holes on the described inductor block installation portion 46, the pipe connecting that described inductor block coupling device 5 passes for being used for current supply cable 2, an end of this pipe connecting inserts and is installed in the described axial open holes, and is formed with pipeline on the tube wall of described pipe connecting and passes through opening.Referring to shown in Figure 6, more preferably, described inductor block installation portion 46 upper sleeve throughs have insulating sleeve 18 and the electromagnetic shielding sheet 17 between this insulating sleeve 18 and described locating mechanism installation portion 45, and described quenching inducer 6 is installed on the periphery of described insulating sleeve 18.Typically, described electromagnetic shielding sheet 17 can be the electromagnetic shielding sheet of copper sheet or other likeness in form.
The situation that straight pipe spare locating device of the present invention forms all locating devices 10 in the pipe fitting has more than been described, as another kind of basic form, straight pipe spare locating device of the present invention can also form pipe fitting periphery locating device 11, referring to Fig. 8 and shown in Figure 9, described locating device body is periphery locating device body 35, above-mentioned the first locating mechanism, the second locating mechanism and the 3rd locating mechanism are respectively the first periphery locating mechanism 31, the second periphery locating mechanism 32 and the 3rd periphery locating mechanism 33, this first periphery locating mechanism 31, the second periphery locating mechanism 32 can contact with the periphery of described straight pipe spare 7 with the 3rd periphery locating mechanism 33 described positioning element separately simultaneously.
On the basis of the embodiment of above-mentioned pipe fitting periphery locating device 11, preferably, the positioning element of described at least the first periphery locating mechanism 31 be can elastic telescopic positioning element, thereby described the first periphery locating mechanism 31 forms elasticity periphery locating mechanism.As mentioned above, the existence of this elasticity periphery locating mechanism, can be so that straight pipe spare 7 during with respect to straight pipe spare locating device motion, the positioning element of straight pipe spare locating device has certain Flexible change amount, avoid being the motion that rigidity has influence on straight pipe spare 7 owing to the point of contact of three positioning elements, thereby so that the motion of straight pipe spare 7 is more steady.In addition, the first periphery locating mechanism is being also advantageous in that of elastic locating mechanism, since in the straight pipe spare forming process because mismachining tolerance, there are certain deviation sometimes in its external diameter or internal diameter, the existence of this elasticity periphery locating mechanism, can keep good contact with inner-wall surface or the outside wall surface of straight pipe spare 7 so that three positioning elements on the straight pipe spare locating device can adapt to this deviation, and form suitable pressure, this can be so that proofread and correct certralizing ability and more effectively realize.In addition; as a kind of form of implementation; the first periphery locating mechanism 31, the second periphery locating mechanism 32 and the 3rd periphery locating mechanism 33 all can form all locating mechanisms in the elasticity, and this belongs to technical conceive of the present invention equally, therefore also belong to protection scope of the present invention.
On the basis of the technical scheme of above-mentioned pipe fitting periphery locating mechanism, preferably, referring to shown in Figure 8, described the second periphery locating mechanism 32 and the 3rd periphery locating mechanism 33 positioning element separately are the rigidity positioning element, thereby this second periphery locating mechanism 32 and the 3rd periphery locating mechanism 33 form respectively rigidity periphery locating mechanism.In this case, for in this second periphery locating mechanism 32 and 33 pairs of straight pipe spare peripheries of the 3rd periphery locating mechanism location, utilize the supporting role certain to straight pipe spare 1 of its positioning element separately, preferably, described the second periphery locating mechanism 32 and the 3rd periphery locating mechanism 33 can be arranged as the below that is in described first interior all locating mechanisms 31, and keep in use this position, for example shown in Figure 8.
Particularly, referring to Fig. 8 and shown in Figure 9, be formed with pipe fitting on the described periphery locating device body 35 by hole 34, the inner peripheral surface of this pipe fitting by hole 34 forms described layout circumference along by hole 34 at least one section of this pipe fitting, described the first periphery locating mechanism 31, the second periphery locating mechanism 32 and the 3rd periphery locating mechanism 33 along described pipe fitting by on the described periphery locating device body 35 of circumferentially being installed to of hole 34.With regard to the first periphery locating mechanism 31 formed elasticity periphery locating mechanisms, its specific constructive form can be varied, for example referring to shown in Figure 8, this elasticity periphery locating mechanism can comprise supporting bar, be formed with on the described periphery locating device body 35 along described pipe fitting by hole 34 supporting bar open holes radially, described supporting bar is installed in the supporting bar open holes on the periphery locating device body 35 slidably, and an end of described supporting bar is in described pipe fitting by in the hole 34, the other end is in described periphery locating device body 35 outsides, described supporting bar be in described pipe fitting by being rotatably mounted with the elastic mechanism positioning roller on the end in the hole 34, and thread fit finite place piece (for example stop nut) on the bar section that is in described periphery locating device body 35 outsides of this supporting bar, described supporting bar upper sleeve through has the elastic component between described periphery locating device body 35 and described locating part, for example whisker or dish spring.Like this, when the elastic mechanism positioning roller as positioning element of this first periphery locating mechanism contacts with the periphery of straight pipe spare 7, when straight pipe spare moved, it adapted to straight pipe spare state and plays better positioning action according to the stressing conditions in the operation process is can be by compression elastic piece mobile slightly in operation process.With regard to the second periphery locating mechanism 32 and the 3rd periphery locating mechanism 33 form rigid mechanism, it may occur to persons skilled in the art that various ways, for example, referring to shown in Figure 8, each described rigidity periphery locating mechanism can comprise and is fixed on described pipe fitting by the rigidity periphery positioning support bearing on 34 peripherys of hole, is rotatably mounted with the rigid mechanism positioning roller on this rigidity periphery positioning support bearing.In addition, rigidity periphery locating mechanism can have other various ways, and such as protruding from described pipe fitting by sphere salient on the hole 34 etc., these variations all belong to protection scope of the present invention.
As preferred structure formation, this be it will be appreciated that, can carry out induction hardened quenching inducer for straight pipe spare inwall from all locating devices 10 in the above-mentioned pipe fitting connects different, pipe fitting periphery locating device 11 generally need to be installed on the induction hardening equipment, because the position of quenching inducer is not quite similar on the different induction hardening equipments, in order to improve the adaptability of pipe fitting periphery locating device 11, preferably, referring to shown in Figure 8, described pipe fitting periphery locating device 11 also comprises the mounting base 37 that can regulate height, and described periphery locating device body 35 is installed on this mounting base 37 and is installed as can be along moving by the perpendicular direction of hole 34 axial direction dues with described pipe fitting.Particularly, for example, referring to shown in Figure 8, described mounting base 37 has for the supporting leg 40 that supports or be fixed on the quenching sensing apparatus, altitude mixture control cover 38 is installed on each supporting leg, this altitude mixture control is enclosed within the prior art to be commonly used, generally be that the length of regulating thread fit changes height, for example, altitude mixture control cover 38 is as base for supporting, and the lower end thread fit of this altitude mixture control cover 38 and respective leg 40 is by screwing altitude mixture control cover 38, can change the thread fit length with supporting leg 40, thereby change bearing height.In addition, as periphery locating device body 35 can lateral adjustments a kind of canonical form, referring to shown in Figure 8, the bottom of described periphery locating device body 35 is run through and is formed with described pipe fitting by the perpendicular internal thread hole of hole 34 axial direction dues, be provided with a pair of screw mandrel supporting base 39 on the upper surface of described mounting base 37, this is to the screw mandrel supporting base 39 interior rotatably mounted screw mandrels 39 that have, described periphery locating device body is by being installed to described internal thread hole and cooperating of described screw mandrel 39 on the described mounting base 37, thereby by the rotation of screw mandrel, so that periphery locating device body 35 can transverse shifting.By above-mentioned altitude mixture control and lateral adjustments, so that the pipe fitting periphery locating device 11 of this form of the present invention can be applied to different induction hardening equipments or other pipe fitting processing units, so that straight pipe spare is positioned.
The basic embodiment of straight pipe spare locating device of the present invention and two kinds of basic forms in this straight pipe spare locating device technical conceive scope have more than been described, i.e. embodiment and some variations of all locating devices 10 and pipe fitting periphery locating device 11 in the pipe fitting.Straight pipe spare induction hardening equipment of the present invention is below described.
Referring to shown in Figure 3, straight pipe spare induction hardening equipment of the present invention comprises quenching inducer 6, wherein, it also comprises the interior all locating devices of pipe fitting and/or pipe fitting periphery locating device in the above-mentioned pipe spare locating device of the present invention, each described pipe spare locating device is installed as with respect to described quenching inducer 6 positions and fixes, and separately along the axial direction due of this quenching inducer 6 and this quenching inducer 6 in abutting connection with or adjacent, this quenching inducer 6 is coaxial with each described pipe spare locating device described layout circumference separately, and namely the central axis of quenching inducer 6 is arranged the central axes of circumference through the center of circle of the layout circumference of each pipe spare locating device or with this.
Technique scheme be it will be appreciated that, above-mentioned induction hardening equipment is that the well-known components such as induction power supply 1, rotary drive mechanism 3 and cable 2 of mentioning can be same as the prior art, induction hardening equipment of the present invention can only adopt all locating devices 10 or pipe fitting periphery locating device 11 in the pipe fitting, also can adopt simultaneously all locating devices 10 and pipe fitting periphery locating device 11 in the pipe fitting.Each pipe spare locating device need to be installed as adjacent or adjacency with induction quenching device 1, the degree of its adjacency is not affecting under the situation of each positioning element of pipe spare to straight pipe spare location, even can reach the degree that partially overlaps along the axial direction due of induction quenching device 1.Although only shown among Fig. 3 by quenching inducer 6 and carried out the induction hardened situation of inwall for straight pipe spare 7, but apparently, the purpose that pipe spare locating device of the present invention also can quench for the outer wall to straight pipe spare 7, in this case, induction quenching device 1 generally forms hollow form to be passed through for straight pipe spare 7, this moment induction quenching its 1 can be fixed on the induction hardening equipment by the mounting bracket that rotates, under the situation that adopts pipe fitting periphery locating device 11, also can directly be fixed on the pipe fitting periphery locating device 11, if adopt all locating devices 10 in the pipe fitting this moment, then all locating devices 10 generally can be fixed by the support bar along the axial direction due of induction quenching device 1 (corresponding to the axial direction due under pipe spare 7 job states directly) in the pipe fitting.In a word, regardless of its structure formation, as long as adopt the technical conceive of technique scheme, it all belongs to protection scope of the present invention.
Preferably, described quenching inducer 6 is connected on the described straight pipe spare locating device along the axial direction due of this quenching inducer 6.
Referring to shown in Figure 3, as being used for the induction hardened a kind of typical induction hardening equipment of straight pipe spare inwall, this straight pipe spare induction hardening equipment comprises induction power supply 1, quenching inducer 6, cable 2, the pipe fitting bracing or strutting arrangement 12 that is used for driving the rotary drive mechanism 3 of straight pipe spare 7 rotations and is used for supporting described straight pipe spare 7 one ends, described rotary drive mechanism 3 is fixed with described pipe fitting bracing or strutting arrangement 12 relative positions, and can be on the machine tool guideway 8 of described straight pipe spare induction hardening equipment along the axial direction due synchronizing moving of described quenching inducer 6, the output terminal of described rotary drive mechanism 3 is provided with the connection bracing or strutting arrangement 4 that supports described straight pipe spare 7 the other ends for clamping, one end of described cable 2 is connected in described induction power supply 1, the other end extends through the output terminal of described rotary drive mechanism 3 and is connected on the described quenching inducer 6 along the axial direction due of described quenching inducer 6, wherein, described straight pipe spare induction hardening equipment comprises the interior all locating device 10(of above-mentioned pipe fitting the first pipe fitting positioning device of the straight pipe spare induction hardening equipment of interior all locating device 10 formations of this pipe fitting herein), all locating devices 10 are installed as with respect to described quenching inducer 6 positions and fix in this pipe fitting, and axial direction due and this quenching inducer 6 adjacency or adjacent along this quenching inducer 6, this quenching inducer 6 is coaxial with the layout circumference of the interior all locating devices 10 of described pipe fitting, and namely the central axis of quenching inducer 6 is arranged the central axes of circumference through the center of circle of the layout circumference of all locating devices in this pipe fitting or with this.
Preferably, described quenching inducer 6 is connected on the interior all locating devices 10 of this pipe fitting.Particularly, as mentioned above, the interior all locating device bodies 16 that set a device in the described pipe fitting week also comprise the inductor block installation portion 46 coaxial with described locating mechanism installation portion 45, the external diameter of described inductor block installation portion 46 is less than the external diameter of described inductor block installation portion 46, thereby described interior all device bodies 16 form the step shaft shape, and the quenching inducer 6 coaxial with this inductor block installation portion 46 is installed on the periphery of described inductor block installation portion 46.Further, an end of this inductor block installation portion 46 is connected with inductor block coupling device 5, and described cable 2 can be connected in described quenching inducer 6 by this inductor block coupling device 5.Particularly, the pipe connecting that described inductor block coupling device 5 passes for being used for current supply cable 2, this pipe connecting can pipe fitting in operation process in all locating devices 10 torsion, the frictional force that are subject to pass to this cable 2 of cable 2(and be generally rigidity or semi-rigid coaxial cable, also have the support bar that is provided for extraly supporting this cable 2 in the prior art).Be formed with axial open holes on the described inductor block installation portion 46, an end of this pipe connecting inserts and is installed in the described axial open holes, and is formed with pipeline on the tube wall of described pipe connecting and passes through opening.Referring to shown in Figure 6, more preferably, described inductor block installation portion 46 upper sleeve throughs have insulating sleeve 18 and the electromagnetic shielding sheet 17 between this insulating sleeve 18 and described locating mechanism installation portion 45, and described quenching inducer 6 is installed to described insulating sleeve 18.Typically, described electromagnetic shielding sheet 17 can be the electromagnetic shielding sheet of copper sheet or other likeness in form, this electromagnetic shielding sheet 17 can prevent that mainly the magnetic field of 10 pairs of quenching inducers 6 of all locating devices in the pipe fitting from producing interference, thereby is conducive to the further raising of induction quenching quality.
On the basis of technique scheme, as shown in Figure 3, described straight pipe spare induction hardening equipment can also comprise above-mentioned pipe fitting periphery locating device 11(the second pipe fitting positioning device of the straight pipe spare induction hardening equipment of these pipe fitting periphery locating device 11 formations herein), because this pipe fitting periphery locating device 11 is used for the periphery of straight pipe spare 7 is positioned, therefore this pipe fitting periphery locating device 11 can be on the same position with the axial direction due of all locating devices 10 in the described pipe fitting along described quenching inducer 6, namely overlaps at the axial direction due of described quenching inducer 6 each other.Similarly, this pipe fitting periphery locating device 11 is installed as with respect to described quenching inducer 6 positions and fixes, and axial direction due and this quenching inducer 6 adjacency or adjacent along this quenching inducer 6, this quenching inducer 6 is coaxial with the layout circumference of described pipe fitting periphery locating device 11, and namely the central axis of quenching inducer 6 is arranged the central axes of circumference through the center of circle of the layout circumference of this pipe fitting periphery locating device or with this.
In addition, in technique scheme, described cable 2 can be rigidity or semi-rigid coaxial cable, knows for those skilled in the art ground, necessity is cable 2 to be supported by the support bar that extends along the quenching inducer axial direction due, to strengthen the stability of quenching inducer 6.In addition, quenching inducer 6 can be high-frequency quenching inductor block, medium frequency quenching inductor block or very high frequency(VHF) quenching inducer etc.Preferably, described connection bracing or strutting arrangement 4 can be for allowing the coupling device of described straight pipe spare 7 beats (comprise beat up and down or about slight beat), for example can be shaft coupling or movable collar, the pipe fitting support portion of described pipe fitting bracing or strutting arrangement 12 is resiliency supported section.So more be conducive to straight pipe spare locating device of the present invention and in the quenching operation process, pipe fitting carried out correction work, when straight pipe spare locating device positioned the corresponding site of straight pipe spare 7, other position of straight pipe spare 7 can change attitude slightly to adapt to the correction of straight pipe spare locating device.Contrast it will be appreciated that, because straight pipe spare integral body is rigid state, although have form and position tolerance (or deviation) on it or because metamorphism appears in deadweight etc., but when straight pipe spare locating device is orientated arbitrary rounded section of straight pipe spare 7 circle (three-point circle) that limits with the contact site, location of three positioning elements of this straight pipe spare locating device as and is overlapped or substantially overlap, can think that the concentric or essentially concentric of circle that the contact site, location of this rounded section and three positioning elements of straight pipe spare 7 limits (considers the volume of each positioning element this moment, also can think " coaxial " herein), thereby can think approx that the layout circumference of this rounded section of straight pipe spare 7 and pipe spare locating device is in essentially concentric or concentricity (is considered practical situation, also can be called " right alignment ") be in the deviation range of relative degree of optimization, but because straight pipe spare integral body is rigid state, if the arbitrary cross section on it by from be in the larger state of above-mentioned layout circumference concentricity (or right alignment) deviation under be corrected to the less situation of concentricity (or right alignment) deviation, this cross section that this means straight pipe spare 7 has changed the position, position of the pipe fitting of a rigidity changes the position, and other position will be followed and be changed the position.Certainly, connection bracing or strutting arrangement 4 described above can be for allowing the coupling device of described straight pipe spare 7 beats (comprise beat up and down or about slight beat), and/or the pipe fitting support portion of described pipe fitting bracing or strutting arrangement 12 is that resiliency supported section carries out preferred form, in fact straight pipe spare 7 only is extremely slight beat in trimming process, even do not adopt this preferred form, since straight pipe spare 7 under the practical situation since the factors such as installations can not support by perfect rigidity, the pressure correction by straight pipe spare locating device itself with and preferred form under elasticity in week or periphery locating mechanism also can substantially reach corrective action.
The straight pipe spare induction hardening equipment of more than having described straight pipe spare locating device of the present invention and having used this straight pipe spare locating device, the principle of work that relevant straight pipe spare induction hardening equipment is used straight pipe spare locating device of the present invention is additional disclosure above, simple, referring to shown in Figure 3, for example, straight pipe spare locating device is fixed with respect to straight pipe spare 7, quenching inducer 6 is also fixed with straight pipe spare 1 relatively simultaneously, during when straight pipe spare 7 processes or by straight pipe spare locating device, this straight pipe spare locating device positions correction work to the corresponding site of straight pipe spare 7, thereby so that quenching inducer 6 is relative even with pipe fitting inner wall face or outside wall surface gap, with respect to prior art optimization quenching quality, thereby quenched case is even, improves processing quality.
Two kinds of basic forms with regard to the straight pipe spare locating device of the present invention, be all locating devices 10 and pipe fitting periphery locating device 11 in the pipe fitting, wherein for example Fig. 4 to interior all locating devices 10 shown in Figure 7 can be applied in effectively that heat treatment space is limited, in the situation of inclement condition, it can also carry out effective supplemental support to the quenching inducer of cantilever installation form, and Fig. 8 and periphery locating device 11 shown in Figure 9 are all adjustable at aspects such as height, horizontal position, snap-in forces, and adaptability is more extensive.The built-in locating device 10 of pipe fitting and the relative homogeneity of improving quenching inducer and pipe fitting circular gap in pipe fitting periphery locating device 11 equal energy degree of optimization ground, thereby the quench-hardened case that guarantees pipe fitting is even, all locating devices 10 and pipe fitting periphery locating device 11 can adopt separately in the pipe fitting, also can adopt simultaneously, it not only can be used for improving the homogeneity of inner surface of pipe fitting induction quenching quench-hardened case, and is applicable to the quenching technology of outer surface of pipe fittings.In addition, what can easily expect for those skilled in the art is, straight pipe spare locating device of the present invention not only can be applied in the induction hardening process, and it also can be suitable in other Treatment technique for processing of straight pipe spare, for example in the spraying coating process.
Can be found out by upper description, straight pipe spare locating device of the present invention (for example all locating devices 10 or pipe fitting periphery locating device 11 in the pipe fitting) is by the first to the 3rd locating mechanism on it, principle that can be by three-point circle partly positions the local pipeline section of straight pipe spare, and when there is relative axial motion in this straight pipe spare locating device with respect to straight pipe spare, can be dynamically straight pipe spare be partly carried out continuously the dynamic positioning action of proofreading and correct through the pipeline section of this locating device, especially be applied under the situation of induction hardening equipment at it, its can degree of optimization ground with respect to prior art so that the circular gap of the tube wall of straight pipe spare and quenching inducer as far as possible evenly not equidistantly, alleviate line voltage, the fluctuation of induction power supply voltage etc., thereby can be so that circumferentially evenly distribution of the inducedmagnetic field intensity edge in the tube wall, and then so that tube wall induced currents uniform parts, thereby relative efficiency ground improves the quenching quality significantly so that the formation quenched case is even.
Below describe by reference to the accompanying drawings preferred implementation of the present invention in detail; but; the present invention is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characterictic described in above-mentioned embodiment in reconcilable situation, can make up by any suitable mode.For fear of unnecessary repetition, the present invention is to the no longer separately explanation of various possible array modes.
In addition, also can carry out arbitrary combination between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (20)
1. straight pipe spare locating device, wherein, comprise and be provided with the first locating mechanism, the locating device body of the second locating mechanism and the 3rd locating mechanism, described the first locating mechanism, the second locating mechanism and the 3rd locating mechanism positioning element separately distribute along the ring Zhou Fangxiang of same layout circumference, and can arrange radially contacting with inner peripheral surface or the periphery of straight pipe spare (7) simultaneously of circumference along this, each described positioning element can slide and/or roll at inner peripheral surface or the periphery of this straight pipe spare when described straight pipe spare (7) and described straight pipe spare locating device relative movement.
2. straight pipe spare locating device according to claim 1, wherein, the contact part of each described positioning element and described straight pipe spare (7) is point of contact or osculatory, each point of contact or osculatory are on the same cross section of described straight pipe spare (7).
3. straight pipe spare locating device according to claim 1, wherein, described straight pipe spare locating device is all locating devices (10) in the pipe fitting, thereby described locating device body is interior all locating device bodies (16), described the first locating mechanism, the second locating mechanism and the 3rd locating mechanism are respectively first interior all locating mechanisms (13), second interior all locating mechanisms (14) and the 3rd interior all locating mechanisms (15), this first interior all locating mechanism (13), second interior all locating mechanisms (14) can contact with the inner peripheral surface of described straight pipe spare (7) with the 3rd interior all locating mechanisms (15) described positioning element separately simultaneously.
4. straight pipe spare locating device according to claim 3, wherein, the positioning element of described first interior all locating mechanisms (13) be can elastic telescopic positioning element, thereby described first interior all locating mechanisms (13) form all locating mechanisms in the elasticity; The positioning element of described second interior all locating mechanisms (14) is the rigidity positioning element, thereby this second interior all locating mechanism forms all locating mechanisms in the rigidity; And the described the 3rd interior all mechanisms (15) are all locating mechanisms or the interior all locating mechanisms of rigidity in the described elasticity.
5. straight pipe spare locating device according to claim 4, wherein, described second interior all locating mechanisms (14) are arranged as the below that is in described first interior all locating mechanisms (13), and so that the positioning element of this second interior all locating mechanism (14) is in vertical position.
6. straight pipe spare locating device according to claim 4, wherein, described interior all locating device bodies (16) comprise cylindrical locating mechanism installation portion (45), the periphery of this locating mechanism installation portion (45) is along at least one section axial described layout circumference of formation of this locating mechanism installation portion (45), and described first interior all locating mechanisms (13), second interior all locating mechanisms (14) and the 3rd interior all locating mechanisms (15) are respectively installed on this locating mechanism installation portion (45) along the circumferential direction of described locating mechanism installation portion (45).
7. straight pipe spare locating device according to claim 6, wherein, all locating mechanisms comprise elastic mechanism supporting base (27) in each described elasticity, be rotatably mounted with the elastic mechanism roller (23) as corresponding described positioning element on this elastic mechanism supporting base (27), be formed with the elastic mechanism mounting groove on the periphery of described locating mechanism installation portion (45), described elastic mechanism supporting base (27) is coupled in the described elastic mechanism mounting groove slidably, so that the supporting surface (42) of this elastic mechanism supporting base (27) is relative with the loading end (41) of described elastic mechanism mounting groove, and described elastic mechanism roller (23) protrudes from the periphery of described locating mechanism installation portion (45), is supported with elastic component (28) between the supporting surface (42) of described elastic mechanism supporting base (27) and the loading end (41) of described elastic mechanism mounting groove.
8. straight pipe spare locating device according to claim 7, wherein, the upper tail rod section (30) that is formed with of protruding of the supporting surface (42) of described elastic mechanism supporting base (27), be formed with pilot hole (29) on the loading end of described elastic mechanism mounting groove (41), described tail rod section (30) is slidingly matched in the described pilot hole (29), and described elastic component (28) wears between the upper loading end (41) with the supporting surface (42) that is bearing in described elastic mechanism supporting base (27) and described elastic mechanism mounting groove of described tail rod section (30); The sidepiece of described elastic mechanism supporting base (27) is formed with limiting stand terrace (43), the sidepiece of described elastic mechanism mounting groove is formed with and cooperates limiting stand terrace (44), described limiting stand terrace (43) and space relative with described cooperation limiting stand terrace (44), described elastic mechanism supporting base (27) compresses described elastic component (28) and when moving to the predetermined position in described elastic mechanism mounting groove, this limiting stand terrace (43) can be in contact with one another with the described limiting stand terrace (44) that cooperates.
9. straight pipe spare locating device according to claim 6, wherein, each described rigidity locating mechanism comprises rigid mechanism supporting base (22) and is pivotally mounted to rigid mechanism roller (19) on this rigid mechanism supporting base (22), be formed with corresponding rigid mechanism mounting groove on the periphery of described locating mechanism installation portion (45), described rigid mechanism supporting base (22) is fixed in the described rigid mechanism mounting groove, and so that described rigid mechanism roller (19) protrude from the periphery of described locating mechanism installation portion (45).
10. each described straight pipe spare locating device in 9 according to claim 6, wherein, described interior all locating device bodies (16) also comprise the inductor block installation portion (46) coaxial with described locating mechanism installation portion (45), the external diameter of described inductor block installation portion (46) is less than the external diameter of described locating mechanism installation portion (45), thereby described interior all device bodies (16) form the step shaft shape, and the quenching inducer (6) coaxial with this inductor block installation portion (46) is installed on the periphery of described inductor block installation portion (46); And an end of described inductor block installation portion (46) is connected with the inductor block coupling device (5) for installing cables (2).
11. straight pipe spare locating device according to claim 10, wherein, described inductor block installation portion (46) upper sleeve through insulating sleeve (18) is arranged and be positioned at this insulating sleeve (18) and described locating mechanism installation portion (45) between electromagnetic shielding sheet (17), described quenching inducer (6) is installed on the periphery of described insulating sleeve (18).
12. straight pipe spare locating device according to claim 1, wherein, described straight pipe spare locating device forms pipe fitting periphery locating device (11), thereby described locating device body is periphery locating device body (35), described the first locating mechanism, the second locating mechanism and the 3rd locating mechanism are respectively the first periphery locating mechanism (31), the second periphery locating mechanism (32) and the 3rd periphery locating mechanism (33), this first periphery locating mechanism (31), the second periphery locating mechanism (32) can contact with the periphery of described straight pipe spare (7) with the 3rd periphery locating mechanism (33) described positioning element separately simultaneously.
13. straight pipe spare induction hardening equipment, comprise quenching inducer (6), wherein, this straight pipe spare induction hardening equipment also comprises according to claim 3 each described straight pipe spare locating device and/or straight pipe spare locating device according to claim 12 in 9, each described pipe spare locating device is installed as with respect to described quenching inducer (6) position and fixes, and along axial direction due and this quenching inducer (6) adjacency or adjacent of this quenching inducer (6), this quenching inducer (6) is coaxial with each described straight pipe spare locating device described layout circumference separately separately.
14. straight pipe spare induction hardening equipment according to claim 13, wherein, described quenching inducer (6) is connected on the described straight pipe spare locating device along the axial direction due of this quenching inducer (6).
15. straight pipe spare induction hardening equipment, comprise induction power supply (1), quenching inducer (6), cable (2), the pipe fitting bracing or strutting arrangement (12) that is used for driving the rotary drive mechanism (3) of straight pipe spare (7) rotation and is used for supporting described straight pipe spare (7) one ends, the output terminal of described rotary drive mechanism (3) is provided with the connection bracing or strutting arrangement (4) that supports described straight pipe spare (7) the other end for connecting, described rotary drive mechanism (3) is fixed with pipe fitting bracing or strutting arrangement (12) the relative position of each other, one end of described cable (2) is connected in described induction power supply (1), the other end passes the output terminal of described rotary drive mechanism (3) and is connected on the described quenching inducer (6) along the axial direction due of described quenching inducer (6), wherein, described straight pipe spare induction hardening equipment also comprises according to claim 3 each described straight pipe spare locating device and/or straight pipe spare locating device according to claim 12 in 9, each described straight pipe spare locating device is installed as with respect to described quenching inducer (6) position to be fixed, and along axial direction due and this quenching inducer (6) adjacency or adjacent of this quenching inducer (6), this quenching inducer (6) is coaxial with the described layout circumference of each described straight pipe spare locating device.
16. straight pipe spare induction hardening equipment according to claim 15, wherein, described rotary drive mechanism (3) can be at the upper axial direction due synchronizing moving along described quenching inducer (6) of the machine tool guideway (8) of described straight pipe spare induction hardening equipment with pipe fitting bracing or strutting arrangement (12).
17. straight pipe spare induction hardening equipment according to claim 15, wherein, straight pipe spare locating device in the described straight pipe spare induction hardening equipment is all locating devices (10) in the described pipe fitting, and described quenching inducer (6) is connected on the interior all locating devices (10) of this pipe fitting.
18. according to right 17 described straight pipe spare induction hardening equipments, wherein, interior all locating device bodies (16) of all locating devices (10) also comprise the inductor block installation portion (46) coaxial with described locating mechanism installation portion (45) in the described pipe fitting, the external diameter of described inductor block installation portion (46) is less than the external diameter of described locating mechanism installation portion (45), thereby described interior all device bodies (16) form the step shaft shape, described quenching inducer (6) is installed on the periphery of described inductor block installation portion (46) and is coaxial with this inductor block installation portion (46), and an end of described inductor block installation portion (46) is connected be used to the inductor block coupling device (5) that described cable (2) is installed; Described inductor block installation portion (46) upper sleeve through insulating sleeve (18) is arranged and be positioned at this insulating sleeve (18) and described locating mechanism installation portion (45) between electromagnetic shielding sheet (17), described quenching inducer (6) is installed on the periphery of described insulating sleeve (18).
19. straight pipe spare induction hardening equipment according to claim 17, wherein, described straight pipe spare induction hardening equipment also comprises described pipe fitting periphery locating device (11), and all locating devices (10) are in same position along the axial direction due of described quenching inducer (6) in this pipe fitting periphery locating device (11) and the described pipe fitting.
20. each described straight pipe spare induction hardening equipment in 19 according to claim 15, wherein, described connection bracing or strutting arrangement (4) is the coupling device that can allow described straight pipe spare (7) beat, and the pipe fitting support portion of described pipe fitting bracing or strutting arrangement (12) is resiliency supported section.
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| CN201210559061.2A CN103014293B (en) | 2012-12-20 | 2012-12-20 | Straight round pipe positioning device and straight round pipe induction quenching equipment |
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| CN201210559061.2A CN103014293B (en) | 2012-12-20 | 2012-12-20 | Straight round pipe positioning device and straight round pipe induction quenching equipment |
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